difficult to understand (adjective) baffling: puzzling
Sinonime: become demented, become psychotic, blow a fuse,
collapse, come apart at seams,
decline, derange,
deteriorate,
fail, flip out, freak out, go bonkers, go crazy, go nuts, go off deep end, go off rocker, go out of mind, go to pieces, have breakdown, schizz out, sicken
Antonime: be calm